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Active NPI 1487083655 Individual Practitioner Female Practitioner

Hangama Abassi , NP

Nurse Practitioner • Walnut Creek, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Hangama Abassi, NP is a certified Nurse Practitioner practicing in Walnut Creek, CA. With approximately 13 years of clinical experience since completing medical education in 2013, Hangama Abassi delivers high-quality medical care to the local community at 177 LA CASA VIA STE 390.

Hangama Abassi is affiliated with John Muir Physician Network and accepts Medicare assignment.

Frequently performed procedures and clinical services include biopsy and aspiration of bone marrow sample for diagnosis, injection, dexamethasone sodium phosphate, 1 mg, injection, granisetron hydrochloride, 100 mcg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

177 La Casa Via Ste 390

Walnut Creek, CA 945986101

Telephone 9256775041
Fax 7144562242
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2013

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Walnut Creek, CA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
13 Yrs +1.4 yrs vs City Avg
City Avg: 11.6 Yrs
State Avg: 11.7 Yrs
Regional Practice Density
72 Specialists

Practicing in Walnut Creek, CA (8378 Statewide)

Telehealth Adoption Rate
23.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
88.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Abassi (13 Years) 13 Yrs
Walnut Creek Specialty Average (11.6 Years) 11.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
38222 Biopsy and aspiration of bone marrow sample for diagnosis
14 13 $619.00 $70.12

Medical Specialties & State Licenses

CMS Verified: 2025-02-24
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License CA 95000027

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Hospital & Practice Group Affiliations

John Muir Physician Network

2675 Pleasant Hill Rd, Pleasant Hill, CA 945232033

Phone: 9256925520

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

22 Associated Practitioners
Dr. Matthew Sirott , MD

Internal Medicine - Hematology & Oncology

NPI 1023014461

Doctor of Medicine (M.D.)

Erin Esaki , PA-C

Physician Assistant

NPI 1023611100

Physician Assistant (Certified)

Elise Manzanillo , NP

Nurse Practitioner

NPI 1043095250

Nurse Practitioner

Dr. Jeffrey Zweig , MD

Internal Medicine - Hematology & Oncology

NPI 1053600312

Doctor of Medicine (M.D.)

Cameron Fisher , PA

Physician Assistant

NPI 1073187936

Physician Assistant

Dr. April Choi , MD

Internal Medicine - Hematology & Oncology

NPI 1154825800

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events
📍
Updated Practice Location February 24, 2025

Registered at 177 LA CASA VIA STE 390, WALNUT CREEK, CA 945986101 (Tel: 9256775041)

📍
Updated Business Mailing Address February 24, 2025

Registered at 1450 TREAT BLVD STE 300, WALNUT CREEK, CA 945972168 (Tel: 9259522828)

📍
Updated Practice Location October 31, 2022

Registered at 101 THE CITY DR S, ORANGE, CA 928683201 (Tel: 7144568100)

📍
Updated Business Mailing Address October 31, 2022

Registered at 200 S MANCHESTER AVE STE 300, ORANGE, CA 928683219 (Tel: 7144562986)

NPI Profile Active November 07, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location November 07, 2013

Registered at 317 W PUEBLO ST, SANTA BARBARA, CA 931054310 (Tel: 8056811761)

📍
Updated Business Mailing Address November 07, 2013

Registered at PO BOX 62106, SANTA BARBARA, CA 931602106 (Tel: 8056811761)

👤
Provider Name / Credentials Updated November 07, 2013

Recorded as HANGAMA ABASSI, N.P.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 07, 2013

Nurse Practitioner (License #95000027 in CA)

🟢
Initial NPI Registration & Enumeration November 07, 2013

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1487083655
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 07, 2013
Last Update: February 24, 2025
Sole Proprietor: No

Mailing Address

1450 Treat Blvd Ste 300

Walnut Creek, CA 945972168

Phone: 9259522828

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.